Observed at: Ottawa Macdonald-Cartier Int'l Airport
Date: Friday July 20, 2018 at 20:00 EDT
Partly Cloudy
Partly Cloudy
Temp.: 27.6 °C
Humidex: 31
Wind: SE 7 km/h
Humidity: 45 %
Dew point: 14.7 °C
Pressure: 101.6 kPa
Tendency: falling
Visibility: 24.1 km
Sunrise: 05:33
Sunset: 20:44
Normals:
Max 27°C Min 16°C
Yesterday
  Max: 29.4 °C
  Min: 9.6 °C
  Rainfall: 0.0 mm

 Extended Forecast - Environment Canada
  Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 31°C
Sunday
Chance of showers (60%)
Chance of showers
Max: 23°C
Monday
Chance of showers (40%)
Chance of showers
Max: 26°C
Tuesday
Chance of showers (30%)
Chance of showers
Max: 25°C
Wednesday
Chance of showers (30%)
Chance of showers
Max: 25°C
Thursday
Chance of showers (30%)
Chance of showers
Max: 27°C
Friday night
A few clouds
A few clouds
Min: 18°C
Saturday night
Partly cloudy
Partly cloudy
Min: 19°C
Sunday night
Chance of showers (40%)
Chance of showers
Min: 19°C
Monday night
Chance of showers (40%)
Chance of showers
Min: 21°C
Tuesday night
Chance of showers (30%)
Chance of showers
Min: 20°C
Wednesday night
Chance of showers (30%)
Chance of showers
Min: 20°C

Forecast

Ottawa (Kanata - Orléans), ON (Issued: Friday July 20, 2018 at 15:30 EDT)

Tonight
A few clouds. Low 18.
Saturday
A mix of sun and cloud. Wind becoming southeast 20 km/h in the afternoon. High 31. Humidex 35. UV index 8 or very high.
Saturday night
Partly cloudy. Wind east 20 km/h becoming light in the evening. Low 19.
Sunday
Cloudy with 60 percent chance of showers. High 23.
Sunday night
Cloudy with 40 percent chance of showers. Low 19.
Monday
Cloudy with 40 percent chance of showers. High 26.
Monday night
Cloudy with 40 percent chance of showers. Low 21.
Tuesday
A mix of sun and cloud with 30 percent chance of showers. High 25.
Tuesday night
Cloudy periods with 30 percent chance of showers. Low 20.
Wednesday
A mix of sun and cloud with 30 percent chance of showers. High 25.
Wednesday night
Cloudy periods with 30 percent chance of showers. Low 20.
Thursday
A mix of sun and cloud with 30 percent chance of showers. High 27.
Averages and extremes
Highest temperature(1939-2011)34.3 °C1991
Lowest temperature(1939-2011)8.9 °C1947
Average high26.8 °C 
Average low15.6 °C 
Average21.2 °C 
Greatest rainfall(1939-2011)67.8 mm2007
Greatest snowfall(1939-2011)0.0 cm1939
Greatest precipitation(1939-2011)67.8 mm2007
Most snow on the ground(1955-2011)0.0 cm1955
Monthly frequency of precipitation38.0 % 

24 Hour Forecast - Ottawa (Kanata - Orléans), ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)

Humidex
20 July 2018
21:00 25 A few clouds (0%)  A few clouds Nil SE 15 28
22:00 24 A few clouds (0%)  A few clouds Nil SE 15 27
23:00 23 A few clouds (0%)  A few clouds Nil SE 15 26
21 July 2018
00:00 21 A few clouds (0%)  A few clouds Nil SE 15
01:00 20 A few clouds (0%)  A few clouds Nil SE 15
02:00 18 A few clouds (0%)  A few clouds Nil SE 15
03:00 18 A few clouds (0%)  A few clouds Nil SE 10
04:00 18 A few clouds (0%)  A few clouds Nil SE 10
05:00 18 A few clouds (0%)  A few clouds Nil SE 10
06:00 19 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 10
07:00 20 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 10
08:00 21 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 10 26
09:00 23 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 15 27
10:00 24 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 15 28
11:00 26 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 15 29
12:00 27 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 15 30
13:00 29 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 15 32
14:00 30 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 20 33
15:00 30 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 20 33
16:00 31 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 20 35
17:00 31 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 20 35
18:00 30 A mix of sun and cloud (0%)  A mix of sun and cloud Nil E 20 33
19:00 28 A mix of sun and cloud (0%)  A mix of sun and cloud Nil E 20 31
20:00 27 A mix of sun and cloud (0%)  A mix of sun and cloud Nil E 20 30
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%
‡ Value not significant

Environment Canada